11 Coniston Close, Barnet, London, N20 0QL
About 11 Coniston Close
11 Coniston Close is an end-of-terrace house in Barnet, London, London (N20 0QL). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2019) shows a C (score 73). The rating has held steady at C across 2 certificates since May 2009. Between certificates, wall efficiency went from Poor to Average.
One planning record on file: new windows approved in 2009. Past consents include new windows, meaningful when judging how the property has evolved.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Cavity wall insulation installed
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Planning history
- Nov 2009RenovationFullIn report
Replacement of existing windows with white UPVC windows.
- Agent
- United House Ltd
New Windows- Documents
- 3 docs on file
- Reference
- F/03326/09
We flagged 2 things worth checking at 11 Coniston Close
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
11 Coniston Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£342,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in N20 0QL: £400,000 (2025–2015).
Nearby sales in N20 0QL
7 Coniston Close, Barnet, London, N20 0QL
Sold Mar 2025
£548,0006 Coniston Close, Barnet, London, N20 0QL
Sold Jan 2022
£455,00020 Coniston Close, Barnet, London, N20 0QL
Sold Jan 2020
£327,50015 Coniston Close, Barnet, London, N20 0QL
Sold Aug 2017
£400,00016 Coniston Close, Barnet, London, N20 0QL
Sold Aug 2015
£335,000
Versus other Coniston Close homes
EPC Rating
73 (C)
Street avg 71 (C)
Floor Area
63 m²
Street avg 65 m²
CO₂ Emissions
2.0 t/year
Street avg 2.3 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Derwent Crescent — bus stop.
Closest school
0.4 km
St John's CofE Primary and Nursery School. 46 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.3dB

Night-time· 23:00 – 07:00
40.9dB







